Twin-pin connectors are used in the conductive circuit from the patient to an ECG device. The shielded leads protect the weak ECG electrical waveforms from the effects of extraneous RF energy. Twin-pin connectors are popularly used in the ECG industry and are now offered by Bioconnect. Because of it’s many desirable qualities, Bioconnect uses Santoprene as a primary molding material and outer insulation material in all of their standard ECG products, including twin-pin leads. Bioconnect has provided high quality, American made patient medical cables since 1989.